Enviaments recents

In this thesis we present Forge, a tool for automating multi-objective materialization of intermediate results in data-intensive flows, driven by a set of different quality objectives. We report initial evaluation results, ...

The primary purpose of this thesis was to assess the business and technical feasibility of creating a start-up company. The aspiration of the start-up is to bring to reality, a business intelligence social network for ...

Shared nothing parallel data
ow systems aim to bridge the
gap between MapReduce and RDBMSs by combining parallel execution
of second order functions with operator based optimizations. In parallel
systems, job latency ...

We propose a comprehensive, generic and extensible metamodel to enable automated intelligent discovery assistant. Aiming at semantic-awareness, we present the metamodel as an RDF formalization. Moreover, we provide a ...

Decision Support Systems have emerged as a dominant technology capable to integrate heterogeneous sources into an analytical fashion to facilitate and provide a better decision-making process. Successful projects of Decision ...

Multi-armed bandit (MAB) problem is derived from slot machines in the casino. It is about how a gambler could pull the arms in order to maximize total reward. In this sense, the gambler needs to decide which arm to explore ...

Jia, Wei(Universitat Politècnica de Catalunya, 2014-07-04)Projecte Final de Màster OficialAccés restringit per acord de confidencialitat

The advent of the information era provides a lot of opportunities for business, however, it also arises the issue of data explosion. How to manage increasing big data and how to make use of the hidden information becomes ...

Increasing need for application benchmarking and testing purposes requires large amounts of data. However, obtaining realistic data from the industry for testing purposes, is often impossible due to confidentiality issues ...